In a large mixing bowl, mix all of the dry ingredients for the dough. Add olive oil, milk and warm water into this mixture and knead. The dough should be soft. Cover the bowl with a plastic wrap and keep it in a warm place for rising. Let the dough rises to double its size. Take the bowl and knead the dough again until it is bubble free. Give the dough a shape of ball. Take some all purpose flour in a bowl and dip the dough ball into the flour. Dust a large, flat surface with the flour (dusting will keep the dough from sticking). Place the dough onto dusted surface and roll the dough as thin as you want it to be with a roller pin.Keep dusting the dough with flour while you are rolling. Place a parchment paper on a baking sheet and put the pizza base on the baking sheet. Pierce the dough with a fork. Let it rise for half an hour.Meanwhile, slice onion and saute it with 2 tbsp of olive oil. Take all the ingredients for the sauce in a large bowl and whisk it well.Preheat the oven 400F and place the dough in the oven and bake it for ten minutes and take it out.First spread the sauce on the pizza base then place the olives and the sauted onion all over the sauce. Last, spread the cheese on top. Bake it until the cheese takes golden brown color.